“ANALISIS KEBUTUHAN LKPD BERBASIS PROBLEM BASED LEARNING (PBL) TENTANG MATERI PERUBAHAN LINGKUNGAN DI MAN 1 PASAMAN BARAT” (2025) BIOCHEPHY: Journal of Science Education, 5(2), pp. 844–849. Available at: https://staging-journal.moripublishing.com/index.php/biochephy/article/view/1718 (Accessed: 12 September 2026).